in china. all of this was designed using our software. >> so it's architects, the engineers and creative folks in all of these companies. how broad international you've got a portfolio that spans i would imagine not just united states companies. >> as a matter of fact 75% of our business is outside of the united states. if you want to understand it, mostly our revenue and our business is where the gdp is. where there is economic activity, where people are building designing and manufacturing things that's where we are. >> you're also in another area of the economy that is getting a lot of attention manufacturing particularly 3-d printing. we have a number of things that you brought in and people are wondering what the heck is sitting on the table. one of them is a speaker that you printed. it sounds so extraordinary. you had this printed out software, that allowed you to send a file to a printer machine like we would print out a document, instead printed this out. >> absolutely true. people hav